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All results from a given calculation for CH3ONO (Methyl nitrite)

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-245.116333
Energy at 298.15K-245.120950
HF Energy-245.116333
Nuclear repulsion energy123.135232
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3163 3045 6.44      
2 A' 3048 2934 12.78      
3 A' 1688 1625 179.40      
4 A' 1491 1435 6.42      
5 A' 1444 1390 2.55      
6 A' 1188 1143 0.28      
7 A' 993 956 103.04      
8 A' 858 826 65.09      
9 A' 655 630 154.99      
10 A' 345 332 1.62      
11 A" 3117 3000 17.37      
12 A" 1478 1423 10.13      
13 A" 1156 1113 0.85      
14 A" 366 353 2.08      
15 A" 180 173 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10585.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 10189.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/Def2TZVPP
ABC
0.68807 0.24602 0.18764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.339 0.337 0.000
O2 0.000 0.864 0.000
H3 1.980 1.212 0.000
H4 1.517 -0.269 0.887
H5 1.517 -0.269 -0.887
N6 -1.024 -0.029 0.000
O7 -0.735 -1.175 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43901.08501.08901.08902.39152.5666
O21.43902.01082.09102.09101.35882.1669
H31.08502.01081.78741.78743.25093.6154
H41.08902.09101.78741.77452.70272.5850
H51.08902.09101.78741.77452.70272.5850
N62.39151.35883.25092.70272.70271.1813
O72.56662.16693.61542.58502.58501.1813

picture of Methyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 N6 117.442 O2 C1 H3 104.759
O2 C1 H4 110.856 O2 C1 H5 110.856
O2 N6 O7 116.924 H3 C1 H4 110.601
H3 C1 H5 110.601 H4 C1 H5 109.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.191      
2 O -0.166      
3 H 0.133      
4 H 0.132      
5 H 0.132      
6 N 0.174      
7 O -0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.212 0.141 0.000 2.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.967 0.542 0.000
y 0.542 -25.682 0.000
z 0.000 0.000 -22.167
Traceless
 xyz
x 1.957 0.542 0.000
y 0.542 -3.615 0.000
z 0.000 0.000 1.658
Polar
3z2-r23.315
x2-y23.715
xy0.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.126 0.805 0.000
y 0.805 4.837 0.000
z 0.000 0.000 3.308


<r2> (average value of r2) Å2
<r2> 66.194
(<r2>)1/2 8.136